Audrey has a bag of similar-sized red and green grapes. there are 12 red grapes and 13 green grapes in the bag. if the first 7 grapes she ate were green what is the probability that the 8th grape she eats is green and the 9th grape she eats is red?

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =

How many solutions does the nonlinear system of equations graphed bellow have?

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36